"Rip It Up" is a song by Jimmy Barnes, an Australian musician, from his album "Freight Train Heart" released in 1987. The song captures the excitement and anticipation of a Saturday night, when Barnes gets paid and is ready to have a good time. The lyrics convey a sense of freedom and letting loose, as the protagonist expresses his desire to rock it up, rip it up, shake it up, ball it up, and have a great time. He has a date and plans to pick her up in his car ('88) and go to the union hall, where they can dance and have a blast. The song encapsulates the joy and carefree attitude of the weekend, where the protagonist doesn't worry about saving money but rather indulges in the fun and happiness of the moment. He wants to fly high, rock out, and enjoy himself without any obligations. Overall, "Rip It Up" is an energetic and upbeat song that encourages listeners to let go of their worries and embrace the excitement of a Saturday night, dancing and having a great time with friends or loved ones. It celebrates the simple pleasures of life and the freedom to enjoy oneself.